rebase tests: test linear branch topology

diff --git a/sha1-name.c b/sha1-name.c
index 775a73d8adf6748cd67796a6b13ea1c4843d9f6a..2989e27b717abdabd6623299d7737e9a51641990 100644 (file)
--- a/sha1-name.c
+++ b/sha1-name.c
@@ -157,6 +157,9 @@ static void unique_in_pack(struct packed_git *p,
        uint32_t num, i, first = 0;
        const struct object_id *current = NULL;
 
+       if (p->multi_pack_index)
+               return;
+
        if (open_pack_index(p) || !p->num_objects)
                return;
 
@@ -475,7 +478,7 @@ static enum get_oid_result get_short_oid(struct repository *r,
         * or migrated from loose to packed.
         */
        if (status == MISSING_OBJECT) {
-               reprepare_packed_git(the_repository);
+               reprepare_packed_git(r);
                find_short_object_filename(&ds);
                find_short_packed_object(&ds);
                status = finish_object_disambiguation(&ds, oid);
@@ -625,6 +628,9 @@ static void find_abbrev_len_for_pack(struct packed_git *p,
        struct object_id oid;
        const struct object_id *mad_oid;
 
+       if (p->multi_pack_index)
+               return;
+
        if (open_pack_index(p) || !p->num_objects)
                return;
 
@@ -795,7 +801,7 @@ static int get_oid_basic(struct repository *r, const char *str, int len,
        "because it will be ignored when you just specify 40-hex. These refs\n"
        "may be created by mistake. For example,\n"
        "\n"
-       "  git checkout -b $br $(git rev-parse ...)\n"
+       "  git switch -c $br $(git rev-parse ...)\n"
        "\n"
        "where \"$br\" is somehow empty and a 40-hex ref is created. Please\n"
        "examine these refs and maybe delete them. Turn this message off by\n"
@@ -1383,9 +1389,7 @@ int repo_get_oid_mb(struct repository *r,
        two = lookup_commit_reference_gently(r, &oid_tmp, 0);
        if (!two)
                return -1;
-       if (r != the_repository)
-               BUG("sorry get_merge_bases() can't take struct repository yet");
-       mbs = get_merge_bases(one, two);
+       mbs = repo_get_merge_bases(r, one, two);
        if (!mbs || mbs->next)
                st = -1;
        else {
@@ -1671,7 +1675,8 @@ int repo_get_oid_blob(struct repository *r,
 }
 
 /* Must be called only when object_name:filename doesn't exist. */
-static void diagnose_invalid_oid_path(const char *prefix,
+static void diagnose_invalid_oid_path(struct repository *r,
+                                     const char *prefix,
                                      const char *filename,
                                      const struct object_id *tree_oid,
                                      const char *object_name,
@@ -1689,7 +1694,7 @@ static void diagnose_invalid_oid_path(const char *prefix,
        if (is_missing_file_error(errno)) {
                char *fullname = xstrfmt("%s%s", prefix, filename);
 
-               if (!get_tree_entry(tree_oid, fullname, &oid, &mode)) {
+               if (!get_tree_entry(r, tree_oid, fullname, &oid, &mode)) {
                        die("Path '%s' exists, but not '%s'.\n"
                            "Did you mean '%.*s:%s' aka '%.*s:./%s'?",
                            fullname,
@@ -1837,7 +1842,7 @@ static enum get_oid_result get_oid_with_context_1(struct repository *repo,
                if (flags & GET_OID_RECORD_PATH)
                        oc->path = xstrdup(cp);
 
-               if (!repo->index->cache)
+               if (!repo->index || !repo->index->cache)
                        repo_read_index(repo);
                pos = index_name_pos(repo->index, cp, namelen);
                if (pos < 0)
@@ -1883,23 +1888,15 @@ static enum get_oid_result get_oid_with_context_1(struct repository *repo,
                        new_filename = resolve_relative_path(repo, filename);
                        if (new_filename)
                                filename = new_filename;
-                       /*
-                        * NEEDSWORK: Eventually get_tree_entry*() should
-                        * learn to take struct repository directly and we
-                        * would not need to inject submodule odb to the
-                        * in-core odb.
-                        */
-                       if (repo != the_repository)
-                               add_to_alternates_memory(repo->objects->odb->path);
                        if (flags & GET_OID_FOLLOW_SYMLINKS) {
-                               ret = get_tree_entry_follow_symlinks(&tree_oid,
+                               ret = get_tree_entry_follow_symlinks(repo, &tree_oid,
                                        filename, oid, &oc->symlink_path,
                                        &oc->mode);
                        } else {
-                               ret = get_tree_entry(&tree_oid, filename, oid,
+                               ret = get_tree_entry(repo, &tree_oid, filename, oid,
                                                     &oc->mode);
                                if (ret && only_to_die) {
-                                       diagnose_invalid_oid_path(prefix,
+                                       diagnose_invalid_oid_path(repo, prefix,
                                                                   filename,
                                                                   &tree_oid,
                                                                   name, len);